#include "oled12864.h"
#include "stdlib.h"
#include "oledfont.h"
//#include "delay.h"
//OLED的显存
//存放格式如下.
//[0]0 1 2 3 ... 127
//[1]0 1 2 3 ... 127
//[2]0 1 2 3 ... 127
//[3]0 1 2 3 ... 127
//[4]0 1 2 3 ... 127
//[5]0 1 2 3 ... 127
//[6]0 1 2 3 ... 127
//[7]0 1 2 3 ... 127
/**********************************************
//IIC Start
**********************************************/
/**********************************************
//IIC Start
**********************************************/
void IIC_Start()
{

	OLED_SCLK_Set() ;
	OLED_SDIN_Set();
	OLED_SDIN_Clr();
	OLED_SCLK_Clr();
}

/**********************************************
//IIC Stop
**********************************************/
void IIC_Stop()
{
OLED_SCLK_Set() ;
//	OLED_SCLK_Clr();
	OLED_SDIN_Clr();
	OLED_SDIN_Set();

}

void IIC_Wait_Ack()
{
	OLED_SCLK_Set();
	OLED_SCLK_Clr();
}
/**********************************************
// IIC Write byte
**********************************************/

void Write_IIC_Byte(unsigned char IIC_Byte)
{
	unsigned char i;
	unsigned char m,da;
	da=IIC_Byte;
	OLED_SCLK_Clr();
	for(i=0;i<8;i++)
	{
		m=da;
		//	OLED_SCLK_Clr();
		m=m&0x80;
		if(m==0x80)
		{OLED_SDIN_Set();}
		else OLED_SDIN_Clr();
		da=da<<1;
		OLED_SCLK_Set();
		OLED_SCLK_Clr();
	}
	OLED_SCLK_Set();
	OLED_SCLK_Clr();

}
/**********************************************
// IIC Write Command
**********************************************/
void Write_IIC_Command(unsigned char IIC_Command)
{
	IIC_Start();
	Write_IIC_Byte(0x78);            //Slave address,SA0=0
	Write_IIC_Byte(0x00);			//write command
	Write_IIC_Byte(IIC_Command);
	IIC_Stop();
}
/**********************************************
// IIC Write Data
**********************************************/
void Write_IIC_Data(unsigned char IIC_Data)
{
   IIC_Start();
   Write_IIC_Byte(0x78);			//D/C#=0; R/W#=0
   Write_IIC_Byte(0x40);			//write data
   Write_IIC_Byte(IIC_Data);
   IIC_Stop();
}
void OLED_WR_Byte(unsigned dat,unsigned cmd)
{
	if(cmd)
	{
		Write_IIC_Data(dat);
	}
	else
	{
		Write_IIC_Command(dat);
	}


}


/********************************************
// fill_Picture
********************************************/
void fill_picture(unsigned char fill_Data)
{
	unsigned char m,n;
	for(m=0;m<8;m++)
	{
		OLED_WR_Byte(0xb0+m,0);		//page0-page1
		OLED_WR_Byte(0x00,0);		//low column start address
		OLED_WR_Byte(0x10,0);		//high column start address
		for(n=0;n<128;n++)
		{
			OLED_WR_Byte(fill_Data,1);
		}
	}
}


/***********************Delay****************************************/
void Delay_50ms(unsigned int Del_50ms)
{
	unsigned int m;
	for(;Del_50ms>0;Del_50ms--)
		for(m=6245;m>0;m--);
}

void Delay_1ms(unsigned int Del_1ms)
{
	unsigned char j;
	while(Del_1ms--)
	{
		for(j=0;j<123;j++);
	}
}

//坐标设置

void OLED_Set_Pos(unsigned char x, unsigned char y)
{ 	OLED_WR_Byte(0xb0+y,OLED_CMD);
	OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);
	OLED_WR_Byte((x&0x0f),OLED_CMD);
}
//开启OLED显示
void OLED_Display_On(void)
{
	OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDC命令
	OLED_WR_Byte(0X14,OLED_CMD);  //DCDC ON
	OLED_WR_Byte(0XAF,OLED_CMD);  //DISPLAY ON
}
//关闭OLED显示
void OLED_Display_Off(void)
{
	OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDC命令
	OLED_WR_Byte(0X10,OLED_CMD);  //DCDC OFF
	OLED_WR_Byte(0XAE,OLED_CMD);  //DISPLAY OFF
}
//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!
void OLED_Clear(void)
{
	u8 i,n;
	for(i=0;i<8;i++)
	{
		OLED_WR_Byte (0xb0+i,OLED_CMD);    //设置页地址（0~7）
		OLED_WR_Byte (0x00,OLED_CMD);      //设置显示位置—列低地址
		OLED_WR_Byte (0x10,OLED_CMD);      //设置显示位置—列高地址
		for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);
	} //更新显示
}
void OLED_On(void)
{
	u8 i,n;
	for(i=0;i<8;i++)
	{
		OLED_WR_Byte (0xb0+i,OLED_CMD);    //设置页地址（0~7）
		OLED_WR_Byte (0x00,OLED_CMD);      //设置显示位置—列低地址
		OLED_WR_Byte (0x10,OLED_CMD);      //设置显示位置—列高地址
		for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA);
	} //更新显示
}
//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 16/12
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
{
	unsigned char c=0,i=0;
	c=chr-' ';//得到偏移后的值
	if(x>Max_Column-1){x=0;y=y+2;}
	if(Char_Size ==16)
	{
		OLED_Set_Pos(x,y);
		for(i=0;i<8;i++)
			OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
		OLED_Set_Pos(x,y+1);
		for(i=0;i<8;i++)
			OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
	}
	else
	{
		OLED_Set_Pos(x,y);
		for(i=0;i<6;i++)
			OLED_WR_Byte(F6x8[c][i],OLED_DATA);
	}
}
//m^n函数
u32 oled_pow(u8 m,u8 n)
{
	u32 result=1;
	while(n--)result*=m;
	return result;
}
//显示2个数字
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//mode:模式	0,填充模式;1,叠加模式
//num:数值(0~4294967295);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
{
	u8 t,temp;
	u8 enshow=0;
	for(t=0;t<len;t++)
	{
		temp=(num/oled_pow(10,len-t-1))%10;
		if(enshow==0&&t<(len-1))
		{
			if(temp==0)
			{
				OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
				continue;
			}else enshow=1;

		}
	 	OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
	}
}
//显示一个字符号串
void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
{
	unsigned char j=0;
	while (chr[j]!='\0')
	{		OLED_ShowChar(x,y,chr[j],Char_Size);
			x+=8;
		if(x>120){x=0;y+=2;}
			j++;
	}
}

/***********功能描述：显示显示BMP图片128×64起始点坐标(x,y),x的范围0～127，y为页的范围0～7*****************/
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
{
	unsigned int j=0;
	unsigned char x,y;

	if(y1%8==0) y=y1/8;
	else y=y1/8+1;
	for(y=y0;y<y1;y++)
	{
		OLED_Set_Pos(x0,y);
		for(x=x0;x<x1;x++)
		{
			OLED_WR_Byte(BMP[j++],OLED_DATA);
		}
	}
}



// 快速绘制图像
void OLED_DrawBMP_Fast(unsigned char BMP[])
{
	unsigned int j = 0;
	unsigned char x, y;

	for (y = 0; y < 8; y++)
	{
		OLED_Set_Pos(0, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = 0; x < 128; x++)
		{
			Write_IIC_Byte(BMP[j++]);
		}
		IIC_Stop();
	}
}


// 绘制太空人
void OLED_DrawSpaceman_v2()
{
	static unsigned int  frame_index = 0;
	unsigned int j = 0;
	unsigned char x, y;

	for (y = 4; y < 8; y++)
	{
		OLED_Set_Pos(96, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = 96; x < 128; x++)
		{
			Write_IIC_Byte(SPACEMAN_v2[frame_index][j++]);
		}
		IIC_Stop();
	}
	frame_index ++;
	if (frame_index > 39) frame_index =0;
}

// 绘制一个数字
void OLED_ShowCustomNum(unsigned char pos_x, unsigned char pos_y, unsigned char n, unsigned char size)
{
	unsigned int x=0, y=0, j=0;
	unsigned char offset_y = 4, offset_x = 24;
	if(size == 0) {
		offset_x = 12;
		offset_y = 2;
	}

	for (y = pos_y; y < pos_y + offset_y; y++)
	{
		OLED_Set_Pos(pos_x, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = pos_x; x < pos_x+offset_x; x++)
		{
			if (size == 0) Write_IIC_Byte(NUM_CUSTOM_16X12[n][j++]);
			else Write_IIC_Byte(NUM_CUSTOM_32X16[n][j++]);
		}
		IIC_Stop();
	}
}

// 绘制2个数字
void OLED_ShowCustomNum2(unsigned char pos_x, unsigned char pos_y, unsigned char n)
{
	if(n>=10) OLED_ShowCustomNum(pos_x, pos_y, n/10, 0);
	OLED_ShowCustomNum(pos_x+12, pos_y, n%10, 0);
}

// 绘制冒号
void OLED_ShowColon(unsigned char pos_x, unsigned char pos_y)
{
	unsigned int x=0, y=0, j=0;
	unsigned char offset_y = 4, offset_x = 7;

	for (y = pos_y; y < pos_y + offset_y; y++)
	{
		OLED_Set_Pos(pos_x, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = pos_x; x < pos_x+offset_x; x++)
		{
			Write_IIC_Byte(COLON[j++]);
		}
		IIC_Stop();
	}
}

// 显示时间
void OLED_ShowTime(unsigned char hour, unsigned char minite, unsigned char second)
{

	OLED_ShowCustomNum(0, 0, hour/10, 1);
	OLED_ShowCustomNum(24, 0, hour%10, 1);
	OLED_ShowColon(48, 0);
	OLED_ShowCustomNum(56, 0, minite/10, 1);
	OLED_ShowCustomNum(80, 0, minite%10, 1);

	OLED_ShowCustomNum(104, 0, second/10, 0);
	OLED_ShowCustomNum(116, 0, second%10, 0);

}

// 绘制温度图标
void OLED_ShowTempLogo(unsigned char pos_x, unsigned char pos_y)
{
	unsigned int x=0, y=0, j=0;
	unsigned char offset_y = 4, offset_x = 25;

	for (y = pos_y; y < pos_y + offset_y; y++)
	{
		OLED_Set_Pos(pos_x, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = pos_x; x < pos_x+offset_x; x++)
		{
			Write_IIC_Byte(TEMP[j++]);
		}
		IIC_Stop();
	}
}
// 绘制湿度图标
void OLED_ShowHumidityLogo(unsigned char pos_x, unsigned char pos_y)
{
	unsigned int x=0, y=0, j=0;
	unsigned char offset_y = 4, offset_x = 19;

	for (y = pos_y; y < pos_y + offset_y; y++)
	{
		OLED_Set_Pos(pos_x, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = pos_x; x < pos_x+offset_x; x++)
		{
			Write_IIC_Byte(WATER[j++]);
		}
		IIC_Stop();
	}
}
// 绘制摄氏度
void OLED_ShowDegreeLogo(unsigned char pos_x, unsigned char pos_y)
{
	unsigned int x=0, y=0, j=0;
	unsigned char offset_y = 1, offset_x = 3;

	for (y = pos_y; y < pos_y + offset_y; y++)
	{
		OLED_Set_Pos(pos_x, y);
		IIC_Start();
		Write_IIC_Byte(0x78);
		Write_IIC_Byte(0x40);
		for (x = pos_x; x < pos_x+offset_x; x++)
		{
			Write_IIC_Byte(DEGREE[j++]);
		}
		IIC_Stop();
	}
}
//初始化SSD1306
void OLED_Init(void)
{
	Delay_50ms(20);
	OLED_WR_Byte(0xAE,OLED_CMD);//--display off
	OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
	OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
	OLED_WR_Byte(0x40,OLED_CMD);//--set start line address
	OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
	OLED_WR_Byte(0x81,OLED_CMD); // contract control
	OLED_WR_Byte(0xFF,OLED_CMD);//--128
	OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
	OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse
	OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
	OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty
	OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction
	OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset
	OLED_WR_Byte(0x00,OLED_CMD);//

	OLED_WR_Byte(0xD5,OLED_CMD);//set osc division
	OLED_WR_Byte(0x80,OLED_CMD);//

	OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
	OLED_WR_Byte(0x05,OLED_CMD);//

	OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period
	OLED_WR_Byte(0xF1,OLED_CMD);//

	OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
	OLED_WR_Byte(0x12,OLED_CMD);//

	OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
	OLED_WR_Byte(0x30,OLED_CMD);//

	OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
	OLED_WR_Byte(0x14,OLED_CMD);//

	OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
	Delay_50ms(20);
	fill_picture(0x0);

}





























